US3495979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copying material for use in the photochemical preparation of printing plates
Assignee: Agfa Gevaert NV
•
Filing: 1967-02-08
•
Granted: 1970-02-17
•
Expires: 1987-02-08
Abstract
No abstract record available.
Inventors
- 👤 Urbain Leopold Laridon
- 👤 Gerard Albert Delzenne
- 👤 Johan Lodewijk Verelst
- 👤 Hugo Vital Van Goethem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:06
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/022; G03F7/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1847513A
Cited
US807422A
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US1444469A
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US1853462A
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US2067690A
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US2436697A
Cited
NL95406C
Cited
US3269837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |